I'm not a role model, I'm just trying to be myself.

There is no such thing as a quality problem. There are only problems, and the solutions to those problems may involve quality considerations.

你把桃子投于我，我把李子回赠与你。桃子和李子价值相当，表明我本人是知恩图报的，也有互相赠送，礼尚往来的意思。

Market design is an ongoing experiment—what works today may need adjustment tomorrow.

Words can be tools， but they can also be weapons.

The single easiest way to find out how you feel about someone. Say goodbye.